Read the full article here: https://issuu.com/mm905/docs/allthingsplc_summer_2016_72dpi?e=5896725/36370069 A small elementary school may have just one teacher per grade level or even one teacher for multiple grade levels. A small secondary school may have only one biology teacher, one algebra teacher, one English 9 teacher, and one world history teacher—singletons! These schools hear the PLC message, agree with it, and then stumble upon the inevitable singleton questions: With whom do our singleton teachers collaborate, and what do they collaborate about? How do you build common assessments when you’re the only one who teaches your subject or grade level? Can this really work for us? Yes, it can and does.